8/3:Minnesota Vikings running back Dalvin Cook (knee) is likely to get some repetitions in preseason games, but head coach Mike Zimmer isn't sure how much. Zimmer said the running back is ready to play right now. Cook played in just four games his rookie year before his knee injury, but he's looked good so far in training camp and feels comfortable enough that he won't play with a knee brace. As the workhorse back in a strong offense, Cook should be considered an RB1 heading into his second season.--Keith Hernandez - RotoBallerSource: ESPN.com - Courtney Cronin